ADA Presidents Album
Doctor Hartzell, of Minneapolis, became the fifty-ninth president of the Association at the 1921 meeting in Milwaukee. In that year, a number of dental schools began stipulating one year of predental college work as a requirement for admission. Doctor Hartzell, who was a dentist and a physician, in 1904 organized the periodontia department at the University of Minnesota, where he was a professor of oral and general surgery. He was the author of several books on mouth diseases and surgery. Doctor Hartzell was for many years a member of the Research Commission of the American Dental Association. He was born in Ohio in 1866 and died in 1951.
American Dental Association, "ADA President 1921-1922: Thomas B. Hartzell" (1977). ADA Presidents. 48.